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2021 Opus

BIG CITY LRT

A 650b aluminum frame commuter bike with mid-range components and tektro hydraulic disc brakes.
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Manufacturer Price

CA$1,049
Weight12.5 kg  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels650b Aluminum
Drivetrain1 × 9
GroupsetAlivio, Acera
BrakesTektro Hydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

45 km/h

BIG CITY LRT

50 km/h

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Highest gear

(descending)

Sizing
XS

156cm – 166cm

SM

163cm – 174cm

MD

171cm – 182cm

LG

179cm – 189cm

XL

185cm – 195cm

🐐 Estimated

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

Meta 20 aluminum

Fork

Aluminum tapered 1-1/4 to 1-1/8 in

Bottom Bracket

Shimano sealed cartridge

Headset

FSA Orbit integrated sealed

Stem

Promax

Handlebar

Alloy butted 12 mm rise

Saddle

Opus City

Seatpost

Promax alloy 27.2 x 300

TypeRigid

Pedals

FPD NW-247

Groupset
Rear Derailleur

Shimano Acera

Front Derailleur

N/A

Crank

Prowheel

Shifters

Shimano Alivio 1x9

Cassette

Shimano 11-36

Chain

KMC-X9 Eco Protect

Brakes

Tektro HD-T275 hydraulic disc

TypeTektro Hydraulic Disc

Brake Levers

Tektro

Wheels
Rims

Weinmann U28 650

Front Hub

Joytech 5mm key release

Rear Hub

Joytech 5mm key release

Tires

Kenda Kwick Seven.5 K-Shield 650 x 45

Rider Notes
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First added 9 March

Last updated 9 March

Not listed for 1,907 days